If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

The universe is expanding, and while that fact is fascinating, it also creates a question that trips people up: if it’s growing, what exactly is it expanding into? Our brains are used to picturing ...

For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe ...

For more than two decades, the standard model of cosmology has stood as a reliable guide to the universe. Known as Lambda Cold Dark Matter, or ΛCDM, it weaves together dark energy, dark matter, and ...

His latest book, Discordance, fits into ... as the Universe grows older. Thus, the term is a misnomer. But many astronomers and physicists still prefer this well-established terminology over the ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...